.part {
    padding: 50px 14%;
}

.bg-gray2 {
    background-color: #eee!important;
}

#usePart {
    position: relative;
}

#runAPI {
    position: fixed;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    box-shadow: 0px 0px 20px 2px #eee;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, .95);
    z-index: 100;
}

.api-use-item {
    display: inline-block;
    margin: 5px;
    padding: 10px 15px;
    border-radius: 5px;
    background-color: #444;
    color: #fff;
    cursor: pointer;
    transform: translateY(0px);
    box-shadow: none;
    transition: all .3s ease;
}

.api-use-item:hover {
    transform: translateY(-6px);
    box-shadow: 0px 5px 10px 3px #777;
}

.api-use-item .glyphicon {
    color: #aaa;
    top: 2px;
    margin: 0 4px;
}